EP1427104A4 - Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing method - Google Patents

Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing method

Info

Publication number: EP1427104A4
Authority: EP; European Patent Office
Prior art keywords: sound quality; quality adjusting; filter; used therefor; device used
Prior art date: 2001-09-10
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP02772838A

Other languages

German (de)

French (fr)

Other versions

EP1427104A1 (en

Inventor

Yukio Koyanagi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Neuro Solution Corp

Original Assignee

Neuro Solution Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2001-09-10

Filing date

2002-09-05

Publication date

2006-11-29

2002-09-05 Application filed by Neuro Solution Corp filed Critical Neuro Solution Corp

2004-06-09 Publication of EP1427104A1 publication Critical patent/EP1427104A1/en

2006-11-29 Publication of EP1427104A4 publication Critical patent/EP1427104A4/en

Status Withdrawn legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/002—Control of digital or coded signals
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0219—Compensation of undesirable effects, e.g. quantisation noise, overflow
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Computer Hardware Design (AREA)
Mathematical Physics (AREA)
Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Circuit For Audible Band Transducer (AREA)

EP02772838A 2001-09-10 2002-09-05 Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing method Withdrawn EP1427104A4 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2001273350		2001-09-10
JP2001273350		2001-09-10
PCT/JP2002/009047 WO2003023961A1 (en)	2001-09-10	2002-09-05	Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing method

Publications (2)

Publication Number	Publication Date
EP1427104A1 EP1427104A1 (en)	2004-06-09
EP1427104A4 true EP1427104A4 (en)	2006-11-29

Family

ID=19098578

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP02772838A Withdrawn EP1427104A4 (en)	2001-09-10	2002-09-05	Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing method

Country Status (7)

Country	Link
US (1)	US20040161114A1 (en)
EP (1)	EP1427104A4 (en)
JP (1)	JP4300273B2 (en)
KR (1)	KR20040029470A (en)
CN (1)	CN100391102C (en)
TW (1)	TW577193B (en)
WO (1)	WO2003023961A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN1989784A (en) *	2004-07-26	2007-06-27	皇家飞利浦电子股份有限公司	Sound enhancement
JP4813189B2 (en) *	2006-01-23	2011-11-09	株式会社リコー	Harmonic suppression circuit
JP2008131383A (en)	2006-11-21	2008-06-05	Sanyo Electric Co Ltd	Sound quality adjustment circuit and signal characteristic adjustment circuit
JP2010213135A (en) *	2009-03-12	2010-09-24	Kenwood Corp	Sound quality adjusting apparatus

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5620320A (en) *	1979-07-28	1981-02-25	Takayoshi Hirata	Digital frequency control circuit
JPH0650810B2 (en) *	1986-06-25	1994-06-29	富士通テン株式会社	Sound quality control device
US4817149A (en) *	1987-01-22	1989-03-28	American Natural Sound Company	Three-dimensional auditory display apparatus and method utilizing enhanced bionic emulation of human binaural sound localization
KR0139176B1 (en) *	1992-06-30	1998-06-15	김광호	Multiresolution Linear Distortion Compensation Method and Apparatus
JP2509789B2 (en) *	1992-08-22	1996-06-26	三星電子株式会社	Acoustic signal distortion correction device using audible frequency band division
GB9226536D0 (en) *	1992-12-21	1993-02-17	Unilever Plc	Foodstuffs and other compositions
JPH06289898A (en) *	1993-03-30	1994-10-18	Sony Corp	Speech signal processor
US5892833A (en) *	1993-04-28	1999-04-06	Night Technologies International	Gain and equalization system and method
US6760451B1 (en) *	1993-08-03	2004-07-06	Peter Graham Craven	Compensating filters
JP3354286B2 (en) *	1994-06-04	2002-12-09	株式会社ケンウッド	Multipass rejection filter
JP4023842B2 (en) *	1995-09-28	2007-12-19	ソニー株式会社	Digital filter and sound reproduction device
JPH09261007A (en) *	1996-03-27	1997-10-03	Sony Corp	Digital filter
US6058404A (en) *	1997-04-11	2000-05-02	Texas Instruments Incorporated	Apparatus and method for a class of IIR/FIR filters
TW411722B (en) *	1998-01-08	2000-11-11	Sanyo Electric Co	Pseudo-stereophonic device
JP4499206B2 (en) *	1998-10-30	2010-07-07	ソニー株式会社	Audio processing apparatus and audio playback method
US6512944B1 (en) *	2000-07-20	2003-01-28	Cardiac Pacemakers, Inc.	Low distortion ECG filter

2002
- 2002-09-05 EP EP02772838A patent/EP1427104A4/en not_active Withdrawn
- 2002-09-05 WO PCT/JP2002/009047 patent/WO2003023961A1/en active Application Filing
- 2002-09-05 JP JP2003527889A patent/JP4300273B2/en not_active Expired - Fee Related
- 2002-09-05 CN CNB028176146A patent/CN100391102C/en not_active Expired - Fee Related
- 2002-09-05 KR KR10-2004-7003449A patent/KR20040029470A/en not_active Application Discontinuation
- 2002-09-09 TW TW091120470A patent/TW577193B/en not_active IP Right Cessation
2004
- 2004-02-27 US US10/708,394 patent/US20040161114A1/en not_active Abandoned

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number	Publication date
CN1554148A (en)	2004-12-08
JP4300273B2 (en)	2009-07-22
JPWO2003023961A1 (en)	2004-12-24
CN100391102C (en)	2008-05-28
WO2003023961A1 (en)	2003-03-20
US20040161114A1 (en)	2004-08-19
EP1427104A1 (en)	2004-06-09
KR20040029470A (en)	2004-04-06
TW577193B (en)	2004-02-21

Publication	Publication Date	Title
AU2002350109A1 (en)	2003-05-19	Methods and apparatus for cryo-therapy
AU2002346641A1 (en)	2003-06-17	Apertured non-woven composites and method for making
AU2002343060A1 (en)	2003-06-10	Verification method and apparatus
AU2002364095A1 (en)	2003-07-15	Method and apparatus for simplified audio authentication
ZA200309762B (en)	2004-09-30	Rock-bolting apparatus and method.
AU2002253574A1 (en)	2002-11-11	Exposure method and apparatus
AU7266000A (en)	2002-04-02	Otoplasty and method for producing an otoplasty
AU2002258482A1 (en)	2002-10-15	Method and apparatus for determining throttle settings
GB0216876D0 (en)	2002-08-28	Bonding apparatus, and bonding method
AU2001253156A1 (en)	2001-10-23	Apparatus and method for making an ear warmer and an ear warmer frame
AU5096100A (en)	2001-08-20	Audiological screening method and apparatus
GB0211412D0 (en)	2002-06-26	Well reference apparatus and method
AU2002302036A1 (en)	2003-07-03	Acoustic Logging Apparatus and Method
AU2002300247A1 (en)	2003-06-12	Method for manufacturing an ear device and ear device
AU2002351948A1 (en)	2003-06-10	Method and device for producing filter cigarettes
AU2002360593A1 (en)	2003-07-09	Method and apparatus for nano-sensing
AU2002347964A1 (en)	2003-04-28	Apparatus and methods for jarring
GB2374487B (en)	2003-05-14	Damper for loudspeaker and method for manufacturing same
SG96274A1 (en)	2003-05-23	Disk apparatus and filter for disk apparatus
EP1427104A4 (en)	2006-11-29	Sound quality adjusting device and filter device used therefor, sound quality adjusting method, and filter designing method
GB0115143D0 (en)	2001-08-15	Method and apparatus for sound control
AU2002340308A1 (en)	2003-06-10	Method and apparatus for self-link assessing router
AU2002317742A1 (en)	2002-11-18	Method and device for calculating quality capability characteristics
AU2002362406A1 (en)	2003-04-14	Hitless tuning apparatus and methods for add/drop filters
DE10294787D2 (en)	2004-08-26	Electroacoustic device and quality control process

Legal Events

Date	Code	Title	Description
2004-04-23	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2004-06-09	17P	Request for examination filed	Effective date: 20040310
2004-06-09	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
2004-06-09	AX	Request for extension of the european patent	Extension state: AL LT LV MK RO SI
2004-09-22	RTI1	Title (correction)	Free format text: SOUND QUALITY ADJUSTING DEVICE AND FILTER DEVICE USED THEREFOR, SOUND QUALITY ADJUSTING METHOD, AND FILTER DESIGNING METH
2006-11-29	A4	Supplementary search report drawn up and despatched	Effective date: 20061102
2006-11-29	RIC1	Information provided on ipc code assigned before grant	Ipc: H03G 5/00 20060101ALI20061026BHEP Ipc: H03H 17/02 20060101ALI20061026BHEP Ipc: H03H 17/06 20060101AFI20030327BHEP
2007-03-28	17Q	First examination report despatched	Effective date: 20070222
2008-09-26	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2008-10-29	18D	Application deemed to be withdrawn	Effective date: 20080401